feat: move share index to public route

app/share/layout.tsx

@@ -1,7 +1,7 @@
 import type { Metadata } from "next";
 import Link from "next/link";
 import { getServerSession } from "next-auth";
-import { ArrowLeft, Plus } from "lucide-react";
+import { ArrowLeft, List, Plus } from "lucide-react";
 import { DropdownMenuAvatar } from "@/components/avatar";
 import { Button } from "@/components/ui/button";
 import { ThemeToggle } from "@/components/theme-toggle";
@@ -36,6 +36,12 @@ export default async function ShareLayout({ children }: { children: React.ReactN
             </Link>
           </div>
           <div className="flex items-center gap-2">
+            <Button variant="ghost" size="sm" asChild>
+              <Link href="/share/all">
+                <List data-icon="inline-start" />
+                ทั้งหมด
+              </Link>
+            </Button>
             <Button variant="outline" size="sm" asChild>
               <Link href="/share">
                 <Plus data-icon="inline-start" />